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L’Oréal × Gjosa
A 60% water saving at the backwash, measured salon by salon
−60%
water per rinse, 10 → 4 L/min
15
salons equipped
50
iLinks measuring flow and temperature
At a glance
Client: Gjosa, with L’Oréal-affiliated salons
Site: Hair salons in France
Instrumented: Backwash showerheads
Kit: 50 iLinks with Flow & Temperature sensors
Period: 6 weeks, summer 2021
The challenge
Gjosa and L’Oréal needed hard data to prove the new showerhead saved water without hurting the salon experience.
What we installed
- iLink × 50 — Across 15 salons
- Flow & Temperature — Litres and temperature per rinse
Alarms that did the work
Measurement project — the platform was used for metering and benchmarking, not alarms.
What the data showed
Every water routine visible
Washing, colouring, rinsing and tool cleaning measured separately.
Benchmark per product
Water use benchmarked per product or process, to steer R&D.
Results
- Flow per rinse: 10 → 4 L/min — Gjosa showerhead vs standard
- Test scope: 15 salons · 6 weeks — France, summer 2021
- Roll-out: France, USA, then global — As planned in 2022
Droople case study, January 2022.